RE: Improving stability
good teaching methods: There is no such thing as cheating. If you don't know the answer, do you know how to find the answer? Once you find the answer, do you know what to do with it? This worked for 25 years of teaching in High School and all my former students now thank me for that way of teaching them. Most went on to college and now have good careers. Others went to trade schools and have great jobs by working for someone else or have their own business.